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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 10:51:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 10:51:38 -0700 |
| commit | f470f8d4e702593ee1d0852871ad80373bce707b (patch) | |
| tree | 85a67e65c5e5b9777639bd8f4c763a4cf8787e0e /drivers/infiniband/hw/cxgb3/iwch_qp.c | |
| parent | Merge git://github.com/herbertx/crypto (diff) | |
| parent | Merge branches 'amso1100', 'cma', 'cxgb3', 'cxgb4', 'fdr', 'ipath', 'ipoib', 'misc', 'mlx4', 'misc', 'nes', 'qib' and 'xrc' into for-next (diff) | |
| download | linux-dev-f470f8d4e702593ee1d0852871ad80373bce707b.tar.xz linux-dev-f470f8d4e702593ee1d0852871ad80373bce707b.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (62 commits)
mlx4_core: Deprecate log_num_vlan module param
IB/mlx4: Don't set VLAN in IBoE WQEs' control segment
IB/mlx4: Enable 4K mtu for IBoE
RDMA/cxgb4: Mark QP in error before disabling the queue in firmware
RDMA/cxgb4: Serialize calls to CQ's comp_handler
RDMA/cxgb3: Serialize calls to CQ's comp_handler
IB/qib: Fix issue with link states and QSFP cables
IB/mlx4: Configure extended active speeds
mlx4_core: Add extended port capabilities support
IB/qib: Hold links until tuning data is available
IB/qib: Clean up checkpatch issue
IB/qib: Remove s_lock around header validation
IB/qib: Precompute timeout jiffies to optimize latency
IB/qib: Use RCU for qpn lookup
IB/qib: Eliminate divide/mod in converting idx to egr buf pointer
IB/qib: Decode path MTU optimization
IB/qib: Optimize RC/UC code by IB operation
IPoIB: Use the right function to do DMA unmap pages
RDMA/cxgb4: Use correct QID in insert_recv_cqe()
RDMA/cxgb4: Make sure flush CQ entries are collected on connection close
...
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/iwch_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_qp.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index ecd313f359a4..bea5839d89ee 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -822,8 +822,11 @@ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp, flushed = cxio_flush_rq(&qhp->wq, &rchp->cq, count); spin_unlock(&qhp->lock); spin_unlock_irqrestore(&rchp->lock, *flag); - if (flushed) + if (flushed) { + spin_lock_irqsave(&rchp->comp_handler_lock, *flag); (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); + spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag); + } /* locking hierarchy: cq lock first, then qp lock. */ spin_lock_irqsave(&schp->lock, *flag); @@ -833,8 +836,11 @@ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp, flushed = cxio_flush_sq(&qhp->wq, &schp->cq, count); spin_unlock(&qhp->lock); spin_unlock_irqrestore(&schp->lock, *flag); - if (flushed) + if (flushed) { + spin_lock_irqsave(&schp->comp_handler_lock, *flag); (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context); + spin_unlock_irqrestore(&schp->comp_handler_lock, *flag); + } /* deref */ if (atomic_dec_and_test(&qhp->refcnt)) @@ -853,11 +859,15 @@ static void flush_qp(struct iwch_qp *qhp, unsigned long *flag) if (qhp->ibqp.uobject) { cxio_set_wq_in_error(&qhp->wq); cxio_set_cq_in_error(&rchp->cq); + spin_lock_irqsave(&rchp->comp_handler_lock, *flag); (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); + spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag); if (schp != rchp) { cxio_set_cq_in_error(&schp->cq); + spin_lock_irqsave(&schp->comp_handler_lock, *flag); (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context); + spin_unlock_irqrestore(&schp->comp_handler_lock, *flag); } return; } |